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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-06-06 10:52:10 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-06-06 10:52:10 +0000 |
| commit | 3d1415889103642e9c6cc943345d36ac53886337 (patch) | |
| tree | 5319697ab7f46666303b34d4a97f352cbeb22f41 /llvm/test/CodeGen/X86/bmi.ll | |
| parent | 1b8bfd7e7d63704eb665922d331c7317ae8b1786 (diff) | |
| download | bcm5719-llvm-3d1415889103642e9c6cc943345d36ac53886337.tar.gz bcm5719-llvm-3d1415889103642e9c6cc943345d36ac53886337.zip | |
[X86][BMI][TBM] Only demand bottom 16-bits of the BEXTR control op (PR34042)
Only the bottom 16-bits of BEXTR's control op are required (0:8 INDEX, 15:8 LENGTH).
Differential Revision: https://reviews.llvm.org/D47690
llvm-svn: 334083
Diffstat (limited to 'llvm/test/CodeGen/X86/bmi.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/bmi.ll | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/X86/bmi.ll b/llvm/test/CodeGen/X86/bmi.ll index 40e4c66959b..5ec2da420c4 100644 --- a/llvm/test/CodeGen/X86/bmi.ll +++ b/llvm/test/CodeGen/X86/bmi.ll @@ -404,8 +404,7 @@ define i32 @bextr32c(i32 %x, i16 zeroext %y) { ; ; X64-LABEL: bextr32c: ; X64: # %bb.0: -; X64-NEXT: movswl %si, %eax -; X64-NEXT: bextrl %eax, %edi, %eax +; X64-NEXT: bextrl %esi, %edi, %eax ; X64-NEXT: retq %tmp0 = sext i16 %y to i32 %tmp1 = tail call i32 @llvm.x86.bmi.bextr.32(i32 %x, i32 %tmp0) |
